Question

我有一个字符串：

String test = "firstName:a,lastName:b,addressOne:line 1,line 2,city:other";

我正在尝试test.replaceAll(",","\",\"")。我的意思是替换，用＆＃34;，＆＃34;。我想这只是为了整个字符串。例如，addressOne是一个单独的字符串，逗号分隔，我不想替换它。有没有正则表达式或其他方式我可以做到这一点？我应该得到像

这样的字符串

"firstName":"a","lastName":"b","addressOne":"line 1 , line 2","city":"other"
after replace , but i am getting 
"firstName":"a","lastName":"b","addressOne":"line 1 "," line 2","city":"other".

Answer 1

您可以使用逗号分隔字符串，后跟一个后跟:的单词。为了达到这个目的，您可以使用positive look-ahead并匹配前导词使用否定字符类[^:,]+，它将匹配除:和,之外的任何字符串：

test.split(",(?=[^:,]+:)")

拆分以逗号分隔的字符串但忽略整个单词中的逗号

1 个答案: